August weather forecastGreenville, MI
August
Weather in August
August, the last month of the summer in Greenville, is another warm month, with an average temperature fluctuating between 77.9°F (25.5°C) and 59.4°F (15.2°C).Temperature
As Greenville welcomes August, the average high-temperature records at a still warm 77.9°F (25.5°C), marking an insignificant deviation from the prior month. The average low-temperature of 59.4°F (15.2°C) is witnessed during August.Humidity
In Greenville, the average relative humidity in August is 79%.Rainfall
In August, the rain falls for 15.1 days. Throughout August, 2.17" (55mm) of precipitation is accumulated. Throughout the year, there are 156.9 rainfall days, and 26.14" (664mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In Greenville, the average length of the day in August is 13h and 54min.On the first day of August, sunrise is at 6:32 am and sunset at 9:02 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 8:17 pm EDT.
Sunshine
In Greenville, the average sunshine in August is 9.7h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A maximum UV index of 5 in August translates into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Greenville, MI
- Average high temperature in August: 77.9°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in August: 59.4°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in August
Greenville, MI
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Greenville, MI
- Average wind speed in August: 6.7mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in August
Greenville, MI
- Average humidity in August: 79%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (75%).
Average rainfall in August
Greenville, MI
- Average rainfall in August: 2.17"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in August
Greenville, MI
- Average rainfall days in August: 15.1 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in August
Greenville, MI
- Average snowfall in August: 0"
The month with the highest snowfall is January (7.13").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Greenville, MI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (20.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Greenville, MI
- Average daylight in August: 13h and 54min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in August: 9h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in August
Greenville, MI
- Average sunshine days in August: 13.3 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in August
Greenville, MI
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in August
Greenville, MI
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in August
Greenville, MI
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, October and November (6mi).
The month with the lowest visibility is January (4mi).
